Nematodes

Medically
important
Phylum
Nematoda
is
under
the
Superphylum
Ecdysozoa
under
protostomia
with
the
Bilateria
group
of
Eumetazoan
clade
in the
animal
group.
It
includes
the
unsegmented
worms
with
pointed
end of
the
body.